11397031 has 2 divisors, whose sum is σ = 11397032. Its totient is φ = 11397030.

The previous prime is 11397013. The next prime is 11397037. The reversal of 11397031 is 13079311.

Together with previous prime (11397013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11397031 - 2¹⁵ = 11364263 is a prime.

It is a super-2 number, since 2×11397031² = 259784631229922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11396987 and 11397005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11397037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5698515 + 5698516.

It is an arithmetic number, because the mean of its divisors is an integer number (5698516).

Almost surely, 2^11397031 is an apocalyptic number.

11397031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11397031 is an equidigital number, since it uses as much as digits as its factorization.

11397031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 11397031 is about 3375.9489036418. The cubic root of 11397031 is about 225.0421715192.

The spelling of 11397031 in words is "eleven million, three hundred ninety-seven thousand, thirty-one".